The sailBuoy remotely-controlled unmanned vessel: Measurements of near surface temperature, salinity and oxygen concentration in the northern gulf of mexico

Mahmud Hasan Ghani, Lars R. Hole, Ilker Fer, Vassiliki H Kourafalou, Nicolas Wienders, HeeSook Kang, Kyla Drushka, David Peddie

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

An experimental deployment of a new type of unmanned vessel is presented. The Christian Michelsen Research SailBuoy, a remotely-controlled surface vehicle, sampled near-surface properties during a two-month mission in the northern Gulf of Mexico in March-May, 2013. Averaged over the entire deployment, the vessel speed over ground was 42±30cms-1 (± one standard deviation) with a maximum of 180cms-1. During the 62 days of the mission, the SailBuoy covered a total range of approximately 400km in both meridional and zonal directions, with a cumulative total distance of approximately 2400km. Three parameters were recorded: sea surface temperature, conductivity, and dissolved oxygen. Observed surface temperature and salinity records are compared with remote sensing data and the salinity fields from a regional ocean modeling system, respectively. The absolute difference between remote sensing data to surface temperature is on an average approximately0.5°C. The comparison with the full Gulf of Mexico and the nested Northern Gulf of Mexico HYCOM models demonstrates the validity and usefulness of SailBuoy measurements and the instrument's utility in evaluating fields produced by ocean models having different attributes. The potential of the SailBuoy for mapping a large-scale river plume, which would be challenging or costly with conventional ship surveys and/or remote sensing, is demonstrated.

Original languageEnglish (US)
Pages (from-to)104-121
Number of pages18
JournalMethods in Oceanography
Volume10
DOIs
StatePublished - Sep 1 2014

Fingerprint

Gulf of Mexico
surface temperature
remote sensing
vessel
salinity
oxygen
Remote sensing
Oxygen
oceans
river plume
ocean
ships
Temperature
dissolved oxygen
Dissolved oxygen
conductivity
sea surface temperature
Surface properties
Ships
rivers

Keywords

  • Dissolved oxygen
  • Gulf of mexico
  • River plumes
  • Sailbuoy
  • Salinity
  • SST

ASJC Scopus subject areas

  • Aquatic Science
  • Oceanography
  • Ocean Engineering

Cite this

The sailBuoy remotely-controlled unmanned vessel : Measurements of near surface temperature, salinity and oxygen concentration in the northern gulf of mexico. / Ghani, Mahmud Hasan; Hole, Lars R.; Fer, Ilker; Kourafalou, Vassiliki H; Wienders, Nicolas; Kang, HeeSook; Drushka, Kyla; Peddie, David.

In: Methods in Oceanography, Vol. 10, 01.09.2014, p. 104-121.

Research output: Contribution to journalArticle

Ghani, Mahmud Hasan ; Hole, Lars R. ; Fer, Ilker ; Kourafalou, Vassiliki H ; Wienders, Nicolas ; Kang, HeeSook ; Drushka, Kyla ; Peddie, David. / The sailBuoy remotely-controlled unmanned vessel : Measurements of near surface temperature, salinity and oxygen concentration in the northern gulf of mexico. In: Methods in Oceanography. 2014 ; Vol. 10. pp. 104-121.
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